Washing machine



Aug. 12, 1930. P. DIEBOLD WASHING MACHINE 2 Sheets-sheaf 1' Filed Sept.10, 1927 HI IIIIIi! &

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Aug. 12,1930. P. DIEBOLD WASHING MACHINE Filed Sept. 10, 1927 2Sheets-Sheet 2 P/Em E5041: 9'

JITMIYEY Patented Aug. 12, 1930 UNITED STATES PIERRE I JIEBOLD; NANCY,FRANCE WASHING MACHINE Application filed September 10, 1927, Serial No.218,726, and in France February 5, 1927.

the walls of the machine is deadened;- the grease and other impuritiesremoved from the linen accumulates onthe inner surface of the washingdrum and cannot be cleaned oif during the operation, thus agood Washingof the .15linen cannot be obtained.

I The door for introducing the linen into the previously known machinesis placed on the cylindrical portion of the washing drum and causes alack of balance; such machines are generally driven by a mechanismincluding gears or noisy rack and pinion drives, and 3 finally saidmachines require a separate apparatus for heating the washing liquidwhich increases the floor space of the machines and which are noteconomical in fuel consumption.

One object of the present invention is to obtain a better washing of thelinen and to this end the washing drum which is made of 80 perforatedsheet metal as usual, is arranged so as not to dip into, the liquidcontained in the outer casing or jacket, and it is provided at itsperiphery with a setof buckets having .an extension running radiallytowardsthe center of the drum, which buckets, during the rotation of thedrum, take. water from the jacket andpour it over the linen through theperforations of the drum, sothat the linen is treated by aspersion orsprinkling and not by ebullition or effervescent-like seething.

' In order to continuously clean off the inner surface of the drum fromthe grease and-other impurities removed from the linen, another set ofbuckets, having no radial extensions is provided, faking Water from thejacket and pouring said water over the lower portion of the innersurface of the drum.

Another object of the invention is to make the charging and dischargingof the machine so that the linen can be charged from said longitudinalaxis;

more simple and easierand for this purpose the usual door of the Washingdrum is done away with and the washing drum as well as the outerstationary jacket areopen at one end open end.

.Another object of the invention is to do awaywith the usual'separate'heating apparatus and to this end the frame of the machinesupporting the stationary jacket is shaped so as to form the heatingcasing. Said casing is ,U-shaped and double Walled surrounding a hearthor gas chamber containing a heat source. Thus the casing performs adouble function of heating casing and support.

In the accompanying drawing:

Figure l is a cross section of the machinecorresponding to the line 1-1of Figure 2;

Figure 2 is a vertical section through the Figure 3 is a horizontalsection corresponding to the line 111111 of Figure 1;

Figure 4 is a diagram of the controls;

Figure 5 is a vertical section of the automatic reversing mechanism forreversing the rotations of the washing drum;

Figures 6 and 7 are two details of Figure 5.

The machine illustrated comprises a stationary jacket 1, preferablycylindrical, forming a water tank one of the faces of which has acentral opening 2. Circular angle pieces 1' join said jacket 1 and thefaces thereof. This acket is arranged upon a dou- 'ble-walled casing 30f horse-shoe shape (Figure 3) the space between the Walls being filledwith water and constituting a heating device.

The inside 4 of the said casing forms a hearth for burning any solidorliquid fuel. The

double-wall casing 3 possesses at its base a cold water supply tap .5and, an emptying 0 plug 6 and, at its upper part, it has a pipe abuttingupon the top of the fixed jacket 1. I An auxiliary tap 8 enables waterheated by the radiations of the hearth to be collected.

Inside the jacket 1 is the Washing drum 9 pulleys 17 and 18 one of whichdrives by buckets 10 and 10* each having a symmetrical form in relationto its own axis-in such wise as to fulfill its functions in bothdirections in which the drum rotates. These buckets .10 and 10* areformed by plain solid nlatesheld in place by means of stays 11 betweenthe cheeks 12' and 13' of the drum. The set of buckets 10 which areintended to deliver washing liquid onto the linen, have extensions 10running radially towards the center line of the drum, said extensionspenetrating into corresponding deep longitudinal grooves 9*" of thewashing drum. The other set of buckets- 10, placed between buckets 10have no radial extensions and to said buckets 10 correspond shallowlongitudinal grooves 9 of the washing drum. The function of thesebuckets of different shape, will be explained later on;

. On one side of the jacketl there is fastened a bracket 14 upon whichthere is mounted a pulley block as well as an automatic device forreversing the direction of rotation of the washing drum. This mechanismmay be of any known type; Figure 5 represents a special arrangementwhich is particularly adapt- .able to the present machine. The machineis driven by a motor 15 (Figure 4) connected by belting, silent chain orthe like to the pulley 16 of' the pulley block. On both sides of thepulley 16 there are two smaller means ofstraight-belting and the otherby crossed belting two pulleys 19 and 20 mounted loosely upon the shaft21 of the drum, and

. which thus rotate in opposite directions.

These two pulleys are each laterally provided with a clutching surface22 and 23, against which there alternatelybear the correspondingsurfaces 22' and 23' of a convex central pulley 24 keyed to the shaft21,\but adapted nevertheless to slide along said shaft. The shaft 21 ishollow and contains asliding'rod 25 traversed diametrically by the 'key26. This later passes through a groove 27 made in the shaft 21 andhaving a length slightly greater thanthe distance of travel given to thekey.

' The mechanism for producing the alternating sliding movements of therod 25 and con sequently thelateral displacements of the cen tral pulley24, is composed as follows:

Q 1 The-sliding rod 25 is connected by means of a sleeve 28 and cross head 29 to a counter weight lever 30 having its fulcrum at 31. The shaft21 of the washing drum, in its turn,

is provided with a worm 32 engagin a tooth sector 33 also having itspivotal point at 31 and extending beyond this point by means of an arm34 which moves within a recess in the counterweight lever 30, limited bylateral stops 35 and 36, so as to cause, oscillation of thecounterweight as will be hereinafter described.

Forope'ration of the machine there is introduced into the jacket 1 waterup to the level XX (Figure 1) situated a little lower than the lowerpart of the washing drum 9, which must not dip into the water. Thislevel will not be exceeded owing to the presence of an overflow pipe 37(Figure 2). The

heater 3 is also filled with water which is heated by the radiationsfrom the hearth 4. The linen is introduced at the end through theopenings 2 and 12 in the washing drum and its jacket. When thewashingdrum rotates the buckets 10 will take liquid from the lower partof the jacket 1, raising it and pouring it through the perforations inthe drum upon the linen which it contains, and which is thus moistenedby sprinkling and not by a. seething, bubbling or effervescent action.The turned linen falls upon the bottom of the drum, but as this bottomdoes ,not contain water, the friction of the linen upon itself is notdeadened or decreased as is the case in the ordinary ebullition orseething machines. Owing to the radial extensions 10 of the buckets 10the washing liquid is delivered practically up to the center of thedrum, producing a very good aspersion of the linen. Since the other setof buckets 10 have relatively short radial extensions the water takenfrom the jacket 1 is allowed to enter the drum before the buckets havereached the level of the center line of the drum. Thus the water runsalong the inner wall of the drum, cleaning it off from all theimpurities which accumulate thereon.

During therotation of the drum 9 on its saft 21, the tooth sector 33travels over the worm 32, producing an angular displacement of the arm34. WVhen this arm encounters one of the lateral stops 35 or 36 of thecountcrweight lever 30 it induces an oscillation of the latter'aroundits pivot 31 the result of which is a longitudinal sliding movement ofthe sliding'rod 25-and consequently of the key 26 and the central pulley24. If, prior to this sliding movement, the surfaces 22-22 'for exampleshould be in contact, then the surfaces 23, 23 would be thosewhich comeinto contact after vthe movement, and the shaft 21 is then rotated inthe same direction as the pulley 2Q, inversely to that of the pulley 19.Upon this reversal the movement of the toothed sector 33 and of its arm34 is also reversed and the cycle of operations begin's'afresh, but inopposite direction. The length of the toothed portion of the sector iscalculated so that the successive changes in the rotation of the drumare efiected atter a predetermined nnmher'ot revolutions.

Where it may be necessary to partially or fully renew the amount ofwater contained in theja cket 1, the water already heated will be takenfrom the heater 3, there being imparted to the water by any means thepressurenecessary to conduct it through the pipe 7 up to the top of thejacket 1.

m The advantages of the improved machine are as follows:

Better efiiciencv of the machine, by suppression of the bubbling orseething efiect; silent running due to the absenceot all noisy mov- ,1ing parts in the shatting; suppression at all auxiliary means forbraking and stopping the washing drum at the moment when the, directionof rotation is changed. as the braking is produced by the buckets whichplunge ac into the liquid in the tank 1; more constant effort demandedfrom the motor as the driving pulleys 19 and 20 always rotate'in thesame direction; finally reduction of machine floor space to a minimum,as the water heater a5 3 forms an integral partot the housing of themachine; This'machine being of simple construction, is easy to attend toand to maintain and it can be constructed of small sizes and it isparticularly well adapted to domestic ea use. What I claim is: g

A washing machine comprising a stationary' cylindrical jacket providedwith a neartral opening at one end, a rotatin'gnnit with- 8 in saidjacket comprising a circular cheek provided with a central aperture,facing said central opening in the' jacket, a second circu-= lar cheekcoaxial with and, spaced from said firstcircular cheekQa rotating shaftconnect- 4@ ed with said second cheek, a perforated cylindrical member"coamiall mounted (between said cheeks and provide with alternatelyarran d shallow and deep longitudinally exten ing perforated grooves, aplurality of 45 radially symmetrical buckets j peripherally mountedbetween said cheeks adjacent to said rooves, radial extensions integralwith said huckets-extending into said deep longitudinal grooves and aEluralit of stays passingv '50 through said buc ets an cheeks.

J In testimonywhereof I afix mv signature.-

- ,1 PIERRE D BpLDK

